ZA202108890B - Audio decoder, apparatus for determining a set of values defining characteristics of a filter, methods for providing a decoded audio representation, methods for determining a set of values defining characteristics of a filter and computer program - Google Patents
Audio decoder, apparatus for determining a set of values defining characteristics of a filter, methods for providing a decoded audio representation, methods for determining a set of values defining characteristics of a filter and computer programInfo
- Publication number
- ZA202108890B ZA202108890B ZA2021/08890A ZA202108890A ZA202108890B ZA 202108890 B ZA202108890 B ZA 202108890B ZA 2021/08890 A ZA2021/08890 A ZA 2021/08890A ZA 202108890 A ZA202108890 A ZA 202108890A ZA 202108890 B ZA202108890 B ZA 202108890B
- Authority
- ZA
- South Africa
- Prior art keywords
- filter
- determining
- methods
- defining characteristics
- values defining
- Prior art date
Links
- 238000000034 method Methods 0.000 title 2
- 238000004590 computer program Methods 0.000 title 1
- 230000003595 spectral effect Effects 0.000 abstract 2
- 230000005236 sound signal Effects 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/26—Pre-filtering or post-filtering
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
- G06N3/00—Computing arrangements based on biological models
- G06N3/02—Neural networks
- G06N3/04—Architecture, e.g. interconnection topology
- G06N3/048—Activation functions
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
- G06N3/00—Computing arrangements based on biological models
- G06N3/02—Neural networks
- G06N3/08—Learning methods
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
- G10L21/0232—Processing in the frequency domain
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/27—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the analysis technique
- G10L25/30—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the analysis technique using neural networks
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Human Computer Interaction (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Signal Processing (AREA)
- Artificial Intelligence (AREA)
- Theoretical Computer Science (AREA)
- Evolutionary Computation (AREA)
- Quality & Reliability (AREA)
- Biophysics (AREA)
- General Health & Medical Sciences (AREA)
- Mathematical Physics (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Computing Systems (AREA)
- Molecular Biology (AREA)
- General Physics & Mathematics (AREA)
- Data Mining & Analysis (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2019/059355 WO2020207593A1 (fr) | 2019-04-11 | 2019-04-11 | Décodeur audio, appareil de détermination d'un ensemble de valeurs définissant les caractéristiques d'un filtre, procédés de fourniture d'une représentation audio décodée, procédés de détermination d'un ensemble de valeurs définissant les caractéristiques d'un filtre et programme informatique |
| PCT/EP2020/060148 WO2020208137A1 (fr) | 2019-04-11 | 2020-04-09 | Décodeur audio, appareil de détermination d'un ensemble de valeurs définissant les caractéristiques d'un filtre, procédés de fourniture d'une représentation audio décodée, procédés de détermination d'un ensemble de valeurs définissant les caractéristiques d'un filtre et programme informatique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA202108890B true ZA202108890B (en) | 2024-04-24 |
Family
ID=66165982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA2021/08890A ZA202108890B (en) | 2019-04-11 | 2021-11-10 | Audio decoder, apparatus for determining a set of values defining characteristics of a filter, methods for providing a decoded audio representation, methods for determining a set of values defining characteristics of a filter and computer program |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US20220223161A1 (fr) |
| EP (1) | EP3953932A1 (fr) |
| JP (1) | JP7383725B2 (fr) |
| KR (1) | KR20210151931A (fr) |
| CN (1) | CN114245919A (fr) |
| AU (1) | AU2020271965A1 (fr) |
| BR (1) | BR112021020330A2 (fr) |
| CA (1) | CA3136520C (fr) |
| MX (1) | MX2021012302A (fr) |
| SG (1) | SG11202111138XA (fr) |
| TW (1) | TWI797441B (fr) |
| WO (2) | WO2020207593A1 (fr) |
| ZA (1) | ZA202108890B (fr) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7487414B2 (ja) * | 2020-10-16 | 2024-05-20 | ドルビー ラボラトリーズ ライセンシング コーポレイション | ディープニューラルネットワークを用いた適応ブロックスイッチング |
| CN113035211B (zh) * | 2021-03-11 | 2021-11-16 | 马上消费金融股份有限公司 | 音频压缩方法、音频解压缩方法及装置 |
| WO2022211863A1 (fr) * | 2021-03-31 | 2022-10-06 | Google Llc | Systèmes et procédés pour communications non interactives privées au niveau local |
| KR20240088788A (ko) * | 2021-10-14 | 2024-06-20 | 퀄컴 인코포레이티드 | 머신 러닝 기반 시변 필터와 선형 예측 코딩 필터의 조합을 이용한 오디오 코딩 |
| US11849286B1 (en) | 2021-10-25 | 2023-12-19 | Chromatic Inc. | Ear-worn device configured for over-the-counter and prescription use |
| US12075215B2 (en) | 2022-01-14 | 2024-08-27 | Chromatic Inc. | Method, apparatus and system for neural network hearing aid |
| US11950056B2 (en) | 2022-01-14 | 2024-04-02 | Chromatic Inc. | Method, apparatus and system for neural network hearing aid |
| US11832061B2 (en) * | 2022-01-14 | 2023-11-28 | Chromatic Inc. | Method, apparatus and system for neural network hearing aid |
| US20230306982A1 (en) | 2022-01-14 | 2023-09-28 | Chromatic Inc. | System and method for enhancing speech of target speaker from audio signal in an ear-worn device using voice signatures |
| US11818547B2 (en) * | 2022-01-14 | 2023-11-14 | Chromatic Inc. | Method, apparatus and system for neural network hearing aid |
| EP4333464A1 (fr) | 2022-08-09 | 2024-03-06 | Chromatic Inc. | Amplification de la perte auditive qui amplifie différemment les sous-signaux de la parole et du bruit |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2776848B2 (ja) * | 1988-12-14 | 1998-07-16 | 株式会社日立製作所 | 雑音除去方法、それに用いるニューラルネットワークの学習方法 |
| US20040013272A1 (en) * | 2001-09-07 | 2004-01-22 | Reams Robert W | System and method for processing audio data |
| SG170078A1 (en) * | 2006-12-13 | 2011-04-29 | Panasonic Corp | Encoding device, decoding device, and method thereof |
| RU2470385C2 (ru) | 2008-03-05 | 2012-12-20 | Войсэйдж Корпорейшн | Система и способ улучшения декодированного тонального звукового сигнала |
| CN102057424B (zh) * | 2008-06-13 | 2015-06-17 | 诺基亚公司 | 用于经编码的音频数据的错误隐藏的方法和装置 |
| ES2558229T3 (es) * | 2008-07-11 | 2016-02-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codificador y decodificador de audio para codificar tramas de señales de audio muestreadas |
| EP4372744A1 (fr) * | 2008-07-11 | 2024-05-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codeur audio, décodeur audio, procédés de codage et de décodage d'un signal audio, flux audio et programme informatique |
| AU2010309838B2 (en) * | 2009-10-20 | 2014-05-08 | Dolby International Ab | Audio signal encoder, audio signal decoder, method for encoding or decoding an audio signal using an aliasing-cancellation |
| TWI484473B (zh) * | 2009-10-30 | 2015-05-11 | Dolby Int Ab | 用於從編碼位元串流擷取音訊訊號之節奏資訊、及估算音訊訊號之知覺顯著節奏的方法及系統 |
| MX2012005723A (es) * | 2009-12-07 | 2012-06-13 | Dolby Lab Licensing Corp | Metodo y aparato para decodificar un cuadrado de una señal de audio digital codificada y medio de almacenamiento que graba un programa de instrucciones. |
| ES2461183T3 (es) * | 2010-03-10 | 2014-05-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V | Decodificador de señales de audio, codificador de señales de audio, procedimiento para decodificar una señal de audio, método para codificar una señal de audio y programa de ordenador que utilizan una adaptación dependiente de la frecuencia de un contexto de codificación |
| JP6189831B2 (ja) * | 2011-05-13 | 2017-08-30 | サムスン エレクトロニクス カンパニー リミテッド | ビット割り当て方法及び記録媒体 |
| JP6305694B2 (ja) * | 2013-05-31 | 2018-04-04 | クラリオン株式会社 | 信号処理装置及び信号処理方法 |
| CA2925734C (fr) * | 2013-10-18 | 2018-07-10 | Guillaume Fuchs | Codage de coefficients spectraux d'un spectre d'un signal audio |
| ES2739477T3 (es) * | 2013-10-31 | 2020-01-31 | Fraunhofer Ges Forschung | Decodificador de audio y método para proporcionar una información de audio decodificada usando un ocultamiento de errores en base a una señal de excitación de dominio de tiempo |
| US20160111107A1 (en) | 2014-10-21 | 2016-04-21 | Mitsubishi Electric Research Laboratories, Inc. | Method for Enhancing Noisy Speech using Features from an Automatic Speech Recognition System |
| US11763834B2 (en) | 2017-07-19 | 2023-09-19 | Nippon Telegraph And Telephone Corporation | Mask calculation device, cluster weight learning device, mask calculation neural network learning device, mask calculation method, cluster weight learning method, and mask calculation neural network learning method |
| JP6721165B2 (ja) | 2017-08-17 | 2020-07-08 | 日本電信電話株式会社 | 入力音マスク処理学習装置、入力データ処理関数学習装置、入力音マスク処理学習方法、入力データ処理関数学習方法、プログラム |
| WO2019083130A1 (fr) * | 2017-10-25 | 2019-05-02 | 삼성전자주식회사 | Dispositif électronique et procédé de commande associé |
| US11605371B2 (en) * | 2018-06-19 | 2023-03-14 | Georgetown University | Method and system for parametric speech synthesis |
-
2019
- 2019-04-11 WO PCT/EP2019/059355 patent/WO2020207593A1/fr active Application Filing
-
2020
- 2020-04-09 BR BR112021020330A patent/BR112021020330A2/pt unknown
- 2020-04-09 WO PCT/EP2020/060148 patent/WO2020208137A1/fr active Search and Examination
- 2020-04-09 AU AU2020271965A patent/AU2020271965A1/en active Pending
- 2020-04-09 JP JP2021559874A patent/JP7383725B2/ja active Active
- 2020-04-09 CA CA3136520A patent/CA3136520C/fr active Active
- 2020-04-09 KR KR1020217036989A patent/KR20210151931A/ko not_active Application Discontinuation
- 2020-04-09 CN CN202080035307.9A patent/CN114245919A/zh active Pending
- 2020-04-09 EP EP20717660.3A patent/EP3953932A1/fr active Pending
- 2020-04-09 SG SG11202111138XA patent/SG11202111138XA/en unknown
- 2020-04-09 MX MX2021012302A patent/MX2021012302A/es unknown
- 2020-04-10 TW TW109112229A patent/TWI797441B/zh active
-
2021
- 2021-10-07 US US17/496,560 patent/US20220223161A1/en active Pending
- 2021-11-10 ZA ZA2021/08890A patent/ZA202108890B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CA3136520C (fr) | 2024-03-12 |
| US20220223161A1 (en) | 2022-07-14 |
| SG11202111138XA (en) | 2021-11-29 |
| CA3136520A1 (fr) | 2020-10-15 |
| EP3953932A1 (fr) | 2022-02-16 |
| WO2020208137A1 (fr) | 2020-10-15 |
| MX2021012302A (es) | 2021-12-15 |
| WO2020207593A1 (fr) | 2020-10-15 |
| CN114245919A (zh) | 2022-03-25 |
| KR20210151931A (ko) | 2021-12-14 |
| JP2022528720A (ja) | 2022-06-15 |
| BR112021020330A2 (pt) | 2021-12-14 |
| TW202105367A (zh) | 2021-02-01 |
| AU2020271965A1 (en) | 2021-11-04 |
| JP7383725B2 (ja) | 2023-11-20 |
| TWI797441B (zh) | 2023-04-01 |
| AU2020271965A2 (en) | 2022-12-22 |
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